488 GEOLOGICAL SURVEY OF THE TERRITORIES. 



Mulgedium pulchellum^ Nutt. — Fort Ellis to the Yellowstone; Fisli 

 Creek ; Madison Yalley. 



LOBELIACE^. 



PORTERELLA, gen, nov.j (by Dr. John Torrey.) 



Calyx 5-cleft; the tube obconical and adherent. Tube of the corolla 

 entire, cyliudrical, straight ; limb bi-labiate ; the upper lip erect, 2- 

 parted ; lower lip of 3 nearly obovate-cuneate, erect lobes. Filaments 

 united their whole length ; anthers included, smooth, the two lower ones 

 with a minute bristle at the tip. Capsule oval-obconical, 2-celled j pla- 

 centse many-seeded. Seeds elongated, tapering at each end. — ^^A small 

 branching annual, with entire linear-lanceolate leaves, and blue, axillary, 

 pedicellate flowers. 



Forterella carnulosa, {Lobelia carnulosa, Hook, and Am.) — Plant gla- 

 brous, 2-3 ioches high, branching from the base; leaves J an inch long, 

 sessile, acute; pedicels shorter than the leaves; tube of the calyx acute 

 at the base, lobes linear-lanceolate, erect; corolla nearly twice as long 

 as the lobes of the calyx. — Muddy shores of Yellowstone Lake, along 

 with Limosella aquatica^ L.; Madison Valley. It has also been found in 

 the Snake country of Oregon. The genus is dedicated to Professor 

 Thomas C. Porter, and the diminutive form used because suited to the 

 plant, and also because Forteria is already preoccupied by a South 

 American genus. 



Campanulaceje. 



Campanula rotundifolia, L. — Stinking Water Creek ; Fort Ellis to the 

 Yellowstone ; Hot Sulphur Springs. 



Campanula rotundifolia^ L., var. Ibiifolia^ Gray. — Mud Springs. 

 Specularia perfoliata^ A. D. C. — Ogden, Utah Territory. 



Ericace^. 



Vaeciniiim Myriillus^ L. — Fort Ellis to the Yellowstone ; Upper Falls 

 of the Yellowstone. 



Arctosfaphylos Uva-ursi^ Spreng. — Fort Ellis to the Yellowstone. 



Bryanthus empetriformis, Cray, (Proc. Am. Acad., vol. VII. p. 3G7.) — 

 Upper Falls of the Yellowstone. 



Ledum glandulosuni^ Nutt. — Madison Valley. 



Fyrola rotundifolia, L.,' var. incarnata^ Hook. — Upper Falls of the 

 Yellowstone. 



Fyrola chlorantha, Swtz. — ^Yellowstone Lake ; Hot Sulphur Springs. 



Fyrola ficcinida^ L. — Pleasant Valley ; Yellowstone Lake. 



Monescs uuljlora., Gray. — Yellowstone Lake ; Falls of the Yellowstone. 



Chimdphila innbellata, Nutt. — Yellowstone Lake. 



Fterospora Andromedea, Nutt. — Madison Valley ; Upper Falls of the 

 Yellowstone. 



Plantaginace^. 



Flantago eriopoda^ Torr. — Mountains south of Virginia City. 



Primulace^. 



Frimula farinosa^ L. — Mountains south of Virginia City; Stinking 

 Water Creek. 



